30:4-99. Limitations on employment; marching prisoners in irons; armed guards; free labor The employment of the inmates of any institution within the jurisdiction of the state board shall be subject to the following specific limitations: a. Marching or transportation of convicts in irons through the public streets or to or from their places of assigned labor shall not be permitted except in case of absolute emergency; b. Convict labor under armed guard shall not be used on public improvements in conjunction with free labor; c. Convict labor shall not be used to take the place of free labor locked out or on strike.
New Jersey Legal Code